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Merck
CN

39075

Mercury ionophore I

Selectophore™

Synonym(s):

7,16-Dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane, 1,10-Dibenzyl-1,10-diaza-18-crown-6, N,N′-Dibenzyl-4,13-diaza-18-crown-6

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About This Item

Empirical Formula (Hill Notation):
C26H38N2O4
CAS Number:
69703-25-9
Molecular Weight:
442.59
UNSPSC Code:
26111700
NACRES:
NB.61
PubChem Substance ID:
329755820
MDL number:
MFCD00010831
Beilstein/REAXYS Number:
1044804
Form:
crystals

Key Documents

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SMILES string

C1COCCN(CCOCCOCCN(CCO1)Cc2ccccc2)Cc3ccccc3

InChI key

WAHZGOBRKWVALN-UHFFFAOYSA-N

InChI

1S/C26H38N2O4/c1-3-7-25(8-4-1)23-27-11-15-29-19-21-31-17-13-28(24-26-9-5-2-6-10-26)14-18-32-22-20-30-16-12-27/h1-10H,11-24H2

description

for ion-selective electrodes

product line

Selectophore™

form

crystals

Quality Level

200

General description

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Application

Selected application examples
It was used to coat two piezoelectric crystals required during the quantification of potassium.

Other Notes

Highly selective ionophore for Hg2+

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCD6411
BCCC4969

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The 1: 2 and 1: 1 molecular complexes of N, N'-dibenzyl-4, 13-diaza-18-crown-6 with 4-nitrobenzenesulfonamide and dithiooxamide.
Fonari, Marina S., et al.
Journal of Molecular Structure, 794, 110-114 (2006)
V. K. Gupta et al.
Indian J. Chem. B, 42, 813 -813 (2003)
M Teresa et al.
The Analyst, 125(11), 1983-1986 (2001-02-24)
N,N'-dibenzyl-4,13-diaza-18-crown-6 (A) and bis[(benzo-15-crown-5)-4'-ylmethyl] pimelate (B) were tested as coatings for two piezoelectric crystals for potassium quantification. Both sensors showed stability, reversibility and sensitivity characteristics that allowed their use in quantitative analysis. However, compound A is much more sensitive to

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